ABAP Select data from SAP table VCRMS4D_SOM_MREA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VCRMS4D_SOM_MREA table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to VCRMS4D_SOM_MREA. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the VCRMS4D_SOM_MREA table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_VCRMS4D_SOM_MREA TYPE STANDARD TABLE OF VCRMS4D_SOM_MREA,
      WA_VCRMS4D_SOM_MREA TYPE VCRMS4D_SOM_MREA,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <VCRMS4D_SOM_MREA> TYPE VCRMS4D_SOM_MREA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VCRMS4D_SOM_MREA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VCRMS4D_SOM_MREA
  INTO TABLE IT_VCRMS4D_SOM_MREA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VCRMS4D_SOM_MREA
*  INTO TABLE @DATA(IT_VCRMS4D_SOM_MREA2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_VCRMS4D_SOM_MREA INDEX 1 INTO DATA(WA_VCRMS4D_SOM_MREA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VCRMS4D_SOM_MREA ASSIGNING <VCRMS4D_SOM_MREA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VCRMS4D_SOM_MREA>-CLIENT = 1.
<VCRMS4D_SOM_MREA>-SERVICEMASSRUNELEMENTUUID = 1.
<VCRMS4D_SOM_MREA>-SERVICEMASSRUNUUID = 1.
<VCRMS4D_SOM_MREA>-SERVICEMASSRUNELEMENTSTATUS = 1.
<VCRMS4D_SOM_MREA>-SRVCMASSRUNELMNTEXECTDATDTETME = 1.

ENDLOOP.

LOOP AT IT_VCRMS4D_SOM_MREA INTO WA_VCRMS4D_SOM_MREA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VCRMS4D_SOM_MREA-SRVCMASSRUNELMNTVERIFICATSTS, sy-vline,
  WA_VCRMS4D_SOM_MREA-SUBSCRIPTIONCONTRACTUUID, sy-vline,
  WA_VCRMS4D_SOM_MREA-SERVICEDOCUMENTUUID, sy-vline,
  WA_VCRMS4D_SOM_MREA-SUBSCRPNORDTECHNICALRESOURCEID, sy-vline,
  WA_VCRMS4D_SOM_MREA-SOLDTOPARTY, sy-vline,
  WA_VCRMS4D_SOM_MREA-PAYERPARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VCRMS4D_SOM_MREA you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_VCRMS4D_SOM_MREA TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_VCRMS4D_SOM_MREA INTO WA_VCRMS4D_SOM_MREA.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit TSTPS, internal->external for field SRVCMASSRUNELMNTEXECTDATDTETME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_VCRMS4D_SOM_MREA-SRVCMASSRUNELMNTEXECTDATDTETME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMS4D_SOM_MREA-SRVCMASSRUNELMNTEXECTDATDTETME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCRMS4D_SOM_MREA-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMS4D_SOM_MREA-SOLDTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCRMS4D_SOM_MREA-PAYERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMS4D_SOM_MREA-PAYERPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHIPTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCRMS4D_SOM_MREA-SHIPTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMS4D_SOM_MREA-SHIPTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCRMS4D_SOM_MREA-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMS4D_SOM_MREA-CONTRACTACCOUNT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VCRMS4D_SOM_MREA_STR, 
CLIENT TYPE STRING,
SERVICEMASSRUNELEMENTUUID TYPE STRING,
SERVICEMASSRUNUUID TYPE STRING,
SERVICEMASSRUNELEMENTSTATUS TYPE STRING,
SRVCMASSRUNELMNTEXECTDATDTETME TYPE STRING,
SRVCMASSRUNELMNTVERIFICATSTS TYPE STRING,
SUBSCRIPTIONCONTRACTUUID TYPE STRING,
SERVICEDOCUMENTUUID TYPE STRING,
SUBSCRPNORDTECHNICALRESOURCEID TYPE STRING,
SOLDTOPARTY TYPE STRING,
PAYERPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
ISX_MR_E_DUMMY TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VCRMS4D_SOM_MREA_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_VCRMS4D_SOM_MREA_STR-CLIENT sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SERVICEMASSRUNELEMENTUUID sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SERVICEMASSRUNUUID sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SERVICEMASSRUNELEMENTSTATUS sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SRVCMASSRUNELMNTEXECTDATDTETME sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SRVCMASSRUNELMNTVERIFICATSTS sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SUBSCRIPTIONCONTRACTUUID sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SERVICEDOCUMENTUUID sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SUBSCRPNORDTECHNICALRESOURCEID sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SOLDTOPARTY sy-vline 
WA_VCRMS4D_SOM_MREA_STR-PAYERPARTY sy-vline 
WA_VCRMS4D_SOM_MREA_STR-SHIPTOPARTY sy-vline 
WA_VCRMS4D_SOM_MREA_STR-CONTRACTACCOUNT sy-vline 
WA_VCRMS4D_SOM_MREA_STR-ISX_MR_E_DUMMY sy-vline 
WA_VCRMS4D_SOM_MREA_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.